In the realm of hazardous locations Class 1 refers to an environment containing flammable or explosive vapors or gases and Division 2 is a location where those gases are expected to be present only during an upset condition.
What type of hazard does hazard class 1, division 2 material present
Class 6, Division 2 (more properly called Division 6.2) is for infectious agents.
Class 1 materials are explosives.Materials that have an explosive hazard are in Hazard Class 1.
In the context of hazardous material (dangerous goods) a division or class is a number identifying the hazard category of a hazardous material (dangerous good). There are nine hazard classes, several of which are subdivided into divisions.
Moose!
It is the hazard group for spontaneously combustible materials.
Division 1.3 is predominately a fire hazard, with a minor blast hazard.
Hazard Class 2 is for compressed gases. Class 2 has three divisions: Flammable (also called combustible), Non-Flammable/Non-Poisonous, and Poisonous.
Division 1.1: Explosives with a mass explosion hazard Division 1.2: Explosives with a projection hazard Division 1.3: Explosives with predominately a fire hazard Division 1.4: Explosives with no significant blast hazard Division 1.5: Very insensitive explosives; blasting agents Division 1.6: Extremely insensitive detonating substances
Materials that have an explosive hazard are in Hazard Class 1.
The DOT classification for Spontaneously Combustible material is Division 4.2
Explosives that have no explosive hazard are not explosives. Materials that have a fire hazard but no explosive hazard are Class 2 if they are gasses, class 3 if they are liquids, and class 4 if they are solids.